1.with a flopping soundhe tumbled flop into the mud2.exactlyhe fell flop on his face

'flop' - used as a noun3.an arithmetic operation performed on floating-point numbersthis computer can perform a million flops per second4.an event that fails badly or is totally ineffectual5.someone who is unsuccessful6.a complete failurethe play was a dismal flop7.the act of throwing yourself downhe landed on the bed with a great flop

'flop' - used as a verb8.fall looselyHe flopped into a chair9.fall suddenly and abruptly10.fail utterly; collapse